Investigation of excitation sources of Earth's background free oscillations from acoustic resonance
Investigation of excitation sources of Earth's background free oscillations from acoustic resonance
批准号:
19740268
负责人:
NISHIDA Kiwamu
金额:
$1.87万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2007
资助国家:
日本
项目状态:
已结题
起止时间:
2007 至 2009
中文摘要
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英文摘要
In this study we showed clear evidence of background Love waves from 10 to 20 mHz. The observed kinetic energy of Love waves is as large as that of Rayleigh waves through the whole period of analysis. We propose that the most likely excitation source is shear traction acting on a sea-bottom horizon due to linear topographic coupling of infragravity waves.
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DOI:
10.1126/science.1176389
发表时间:
2008-12
期刊:
Science
影响因子:
56.9
作者:
[Kiwamu Nishida;J. Montagner;H. Kawakatsu]
通讯作者:
Kiwamu Nishida;J. Montagner;H. Kawakatsu
DOI:
10.1029/2006jb004720
发表时间:
2007-06-21
期刊:
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
影响因子:
3.9
作者:
[Nishida, K., Fukao, Y.]
通讯作者:
Fukao, Y.
Three-dimensional crustal S wave velocity structure in Japan using micrgseismic data recorded by Hi-net tiltmeters
利用 Hi-net 倾斜仪记录的微震数据绘制日本三维地壳 S 波速度结构
DOI:
--
发表时间:
2008
期刊:
J. Geophys. Res. 113
影响因子:
--
作者:
[Nishida, K., H. Kawakatsu, Y. Fukao, K. Obara, Kiwamu Nishida]
通讯作者:
Kiwamu Nishida
DOI:
10.1029/2007jb005395
发表时间:
2008-10-02
期刊:
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
影响因子:
3.9
作者:
[Nishida, K., Kawakatsu, H., Obara, K.]
通讯作者:
Obara, K.
DOI:
10.1029/2008gl034753
发表时间:
2008-08
期刊:
Geophysical Research Letters
影响因子:
5.2
作者:
[Kiwamu Nishida;H. Kawakatsu;Y. Fukao;K. Obara]
通讯作者:
Kiwamu Nishida;H. Kawakatsu;Y. Fukao;K. Obara
共 9 条
Detection of temporal changes of Earth's internal structure usingseismic interferometry
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批准号:22740289
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项目类别:Grant-in-Aid for Young Scientists (B)
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资助金额:$2.0万
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财政年份:2010
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负责人:NISHIDA Kiwamu
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依托单位:
海外基金